The Rockwell Commander is an American four-seat cabin single piston-engine monoplane
North American Rockwell (later Rockwell International) / Variants:
111: Fixed landing gear variant powered by a 180hp Lycoming O-360 engine, two prototypes built
112: Production variant with retractable landing gear and powered by a 200hp Lycoming IO-360, 125 built
112A: Variant to meet the FAR23 Amendement 7 requirements with increased maximum take off weight, 364 built
112B: 112A with an increased maximum take off weight, increased wingspan, new propeller and larger wheels, 46 built
112TC: 112A with turbocharged Lycoming TO-360-C1A6D engine, 108 built
112TCA: 112TC with increased load and higher take off weight and other improvements, later named Alpine Commander, 160 built
114: 112 with a 260hp Lycoming IO-540-T4A5D engine, 460 built
114A: 114 updated similar to 112B, later named Gran Turismo, 41 built
114B: Variant of 114A built by Commander Aircraft with new propeller, revised engine cowling and a Lycoming IO-540-T45BD engine
114TC: Variant of 114B with turbocharged Lycoming TIO-540-AGIA engine